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contribution of environmental sculpture

…extend a rock and dirt spiral, 1,500 feet (460 m) long, into Great Salt Lake in Utah (Spiral Jetty; 1970). The Bulgarian-born artist Christo has involved large numbers of people in the planning and construction of such mammoth alfresco art projects as Valley Curtain (1972; Rifle Gap, Colo.). Christo’s numerous…

His Spiral Jetty (1970) consists of a strip of land on the edge of the Great Salt Lake in Utah that was extended into the water with the help of a crew of workmen to produce a spiral measuring 1,500 × 15 feet (457 × 4.5…